viscid.tree module

Classes for elements along the tree from files to fields

class viscid.tree.Leaf(name=None, time=None, info=None, parents=None, **kwargs)

Bases: viscid.tree.Node

Base class for fields

class viscid.tree.Node(name=None, time=None, info=None, parents=None, **kwargs)

Bases: object

Base class for Datasets and Grids

basetime

find_attr(attr_name, default=<class 'viscid.tree._NO_DEFAULT_GIVEN'>)

Breadth first search of parents for attr_name

Parameters:

• attr_name (str) – some attribute name
• default (Any) – fallback, possibly raises AttributeError if this is not given

Raises:

AttributeError – if no default given, and no parent found with attr_name

Returns:

The attribute, or default

find_info(key, default=<class 'viscid.tree._NO_DEFAULT_GIVEN'>)

Go through the parents (breadth first) and find the info

find_info_owner(key)

Go through the parents (breadth first) and find the info

Raises:KeyError

format_time(fmt='.02f', default='Timeless')

get_all_info()

get_info(key, default=<class 'viscid.tree._NO_DEFAULT_GIVEN'>)

has_info(key)

iter_resolved_children()

name = None

parents = None

prepare_child(obj)

print_info_tree()

resolve()

set_info(key, val)

t2datetime64(t)

tear_down_child(obj)

time

time_as_datetime()

time_as_datetime64()

time_as_timedelta()

time_as_timedelta64()

update_info(key, val, fallback=True)

Update an existing key if found, or fall back to add_info